如何用php构建服务器端脚本

Question

I am trying to start an online service. Users fill out a form submit it then go to another page. On the 2nd page they choose a service. From that page they go to a 3rd page. I would like to do this in 3 pages as to encourage users to finish the sequence (they are already invested time-wise by 2nd page).

How could I better send data from page 1 to page 3? So far I was just going to send data from page 1 to a server side php script, send that data to page 2 then repeat the process until page 3. Is there a more proper way to accomplish this?

my code for the form submit is

<?php
$varRedirect = "order.php";

if(isset($_POST["submit"]) )
{

  $var1 = $_POST["element_1"];
    $var2 = $_POST["element_1"];
      $var3 = $_POST["element_1"];
        $var4 = $_POST["element_1"];
          $var5 = $_POST["element_1"];
            $var6 = $_POST["element_1"];
              $var7 = $_POST["element_1"];
                $var8 = $_POST["element_1"];
                  $var9 = $_POST["element_1"];
}

/* begin switch logic */


redirect($varRedirect."?var1=".$var1."&var2=".$var2."&var3=".$var3."&var4=".$var4."&var5=".$var5."&var6=".$var6."&var7=".$var7."&var8=".$var8."&var9=".$var9);
/* functions */
function redirect($url, $statusCode = 303)
{
header('location: ' .$url, true, $statusCode);
die();
}
?>

Answer 1

if you prefer redirect, you can simplify the process by using http_build_query

$params = $_POST;
unset($params['submit']); // exclude 'submit' if you don't need it
$query = http_build_query($parms); 
redirect($varRedirect."?$query);

not checked well, but you can see the idea.